linux - Run a script from root and it calls another script that was in the sudo oracle. how to do that without asking the password of the oracle -


i'm logging linux machine root , after login have used su - oracle connect database. i've 2 shell scripts 1 @ root home , 1 @ home/oracle. in home/oracle i've wrote script taking backup of database. script available in root nohup ssh oracle@onprem-svcdb /home/oracle/test.sh while running script asking password of oracle, don't need while running scripts doesn't need ask password , needs run script in oracle. need that??? can this

you try expect tool:

you start expect script below, start main sql-script in return , send oracle password if prompted:

content of /tmp/expect.exp script: #!/usr/bin/expect -f # set variables set password '***' set timeout -1  # execute spawn /usr/bin/su oracle -c "/tmp/main_script.sh" match_max 100000  # passwod prompt while {1 > 0 } { expect "*?assword:*"  # send password aka $password send -- "$password\r" }  # send blank line (\r) make sure gui send -- "\r" expect eof

than main script stored in (or root home, whatever dir need):

/tmp/main_script.sh content: su - oracle drop table; create table; other sql commands

one disadvantage - plain text password, stored inside script

how install: http://www.cyberciti.biz/tips/execute-commands-on-multiple-hosts-using-expect-tool-part-iii.html

or try modify visudo , :

user1    all=(user2) nopasswd: /bin/bash

where : user1 granted "su user2" without password prompt. can replace /bin/bash , launch command user2


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